Anatomy

Olympic runners compete during the 10,000 meters race in Tokyo. In ancient times, running was likely used to push animals to exhaustion during hunting.

Five Ways Humans Evolved to Be Athletes

An archaeologist explores how our prowess in sport has deep roots in evolution

A 3D image of the spiral-shaped intestine of a Pacific spiny dogfish shark. In life, food would move through this intestine left to right.

Innovation for Good

Sharks' Intestines Spiral Like a Valve Invented by Nikola Tesla

Tesla's ingenious valve promoted a one-way flow of fluid without the need for moving parts, but, it turns out, evolution got there first

Working with the Papuan Past Project, François-Xavier Ricaut measures the lung function of a highlander study participant at St. Therese’s School at Denglagu mission.

Why Papua New Guinea's Highlanders Differ Physically From Those Living Near Sea Level

New research shows villagers living at high altitude are shorter, have higher lung capacity and have smaller waistlines

For moms, there's physiological and neurological truth to the cliché that parenthood changes a person.

The New Science of Motherhood

Through studies of fetal DNA, researchers are revealing how a child can shape a mom's heart and mind—literally

A heat map of the receptive fields of sensory neuron receptors on a human fingertip.

New Research

Study Shows Fingerprint Ridges Play Key Role in Sense of Touch

Experiments show that our fingertips’ finely tuned sensitivity maps onto the whorled ridges of our prints

In addition to the newly discovered pair of glands, the human body has three more large sets and about 1,000 glands scattered throughout the mouth and throat.

Scientists May Have Identified a Previously Unknown Spit-Producing Organ in Our Heads

Uncovering the existence of the glands will help oncologists protect them from radiation, improving the quality of life for cancer patients

Our bodies carry many bacteria and fungi, not all of them harmful.

What Quarantine Is Doing to Your Body's Wondrous World of Bacteria

The germs, fungi and mites that grow on our hands, face, armpits and elsewhere have become stranded during the age of social distancing

Facial reconstruction of a Scandinavian hunter-gatherer who was buried with a wooden stake at the base of his skull

Art Meets Science

See the Face of a Man Whose Skull Was Mounted on a Stake 8,000 Years Ago

A forensic artist used 3-D scans of the hunter-gatherer's cranium to envision what he may have looked like in life

The Ten Best Science Books of 2019

New titles explore the workings of the human body, the lives of animals big and small, the past and future of planet earth and how it's all connected

The Human Microbiome Project defined nine sites in the mouth. Each provides a habitat for a distinct set of bacterial communities.

By Studying Mouth Bacteria, Scientists Hope to Learn the Secrets of Microbiomes

Communities of bacteria and other microbes in the human mouth can help researchers learn how these groups of organisms affect human health

The 21 bones of the most complete partial skeleton of a male Danuvius guggenmosi.

New Ancient Ape Species Rewrites the Story of Bipedalism

<i>Danuvius guggenmosi</i>, a “totally new and different” species of ape, would have moved through the trees using its forelimbs and hindlimbs equally

An aye-aye lemur.

Extra Thumb Discovered on Aye-Aye Lemurs, Giving These Primates Six Fingers

Used for gripping limbs, a “pseudo-thumb” makes the hands of these bizarre primates even creepier

Artists reconstruction of Phoebodus sharks.

Cool Finds

This Ancient Shark Looked Like an Eel and Swallowed Its Prey Whole

Scans of a rare 360-million-year-old shark skeleton shows the beasts used hunting techniques similar to modern sharks and fish

By comparing the skulls of extinct dinosaurs to those of living relatives, such as crocodiles and wild turkeys, researchers have conclude that the prehistoric beasts had sophisticated thermoregulation systems in their skulls.

Special Skull Windows Helped Dinosaur Brains Keep Cool

Dinosaur skulls had many cavities and openings, some of which may have held blood vessels to help cool off the animals' heads

Brain donation is of critical importance for scientists' understanding of brain disorders.

Inside a Brain Bank, Where Humans' Most Precious Organ Is Dissected and Studied

Unlike organ transplants, brains are used primarily to support research of some of the most widespread and debilitating diseases in the world

John Tenniel's illustration of Lewis Carroll's Alice's Adventures in Wonderland

113 Museums Transformed Illustrations From Their Collections Into Free Coloring Pages

This year's #ColorOurCollections campaign features fantastical drawings of mythical flora and fauna, grotesque medical sketches

Illustration of an adult and juvenile ankylosaur.

Armored Dinosaurs Kept Cool With a Labyrinth of Nasal Canals

A fluid dynamics study suggests the large and intricate passages in ankylosaurs' skulls were a great way to cool off in the Cretaceous

In 2015, John T. Unger embarked on a project to recreate 14 of Eustachi’s drawings in life-size mosaics.

Art Meets Science

This Artist Redefines a "Chiseled Body"

Life-size and hyper-detailed, these anatomical mosaics draw on ancient inspiration

The human gut is filled with trillions of microbes.

The Benefits of Probiotics Might Not Be So Clear Cut

An individual's natural gut bacteria determine whether the so-called dietary supplements help or do nothing at all

Before she tackled tuberculosis, Sabin helped rethink the lymphatic system and wrote an acclaimed anatomy textbook.

Florence Sabin Pioneered Her Way in Medical Science, Then Made Sure Other Women Could Do the Same

A scientist and so much more, she helped lay the groundwork for curing tuberculosis but still found time to promote women doctors

loading icon